The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

Cross-Site Request Forgery (CSRF) vulnerability in Etoile Web Design Ultimate Product Catalogue.This issue affects Ultimate Product Catalogue: from n/a through 5.2.15.

The Ultimate Product Catalog WordPress plugin before 5.2.6 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

The Ultimate Product Catalog WordPress plugin before 5.0.26 does not have authorisation and CSRF checks in some AJAX actions, which could allow any authenticated users, such as subscriber to call them and add arbitrary products, or change the plugin's settings for example

The Etoile Ultimate Product Catalog plugin 4.2.11 for WordPress has SQL injection with these wp-admin/admin-ajax.php POST actions: catalogue_update_order list-item, video_update_order video-item, image_update_order list-item, tag_group_update_order list_item, category_products_update_order category-product-item, custom_fields_update_order field-item, categories_update_order category-item, subcategories_update_order subcategory-item, and tags_update_order tag-list-item.

The Etoile Ultimate Product Catalog plugin 4.2.11 for WordPress has XSS in the Add Product Manually component.